Home / 1,272,003.32-1,755,472.32-865,008.08

Finding the Fourth Proportional to 1,272,003.32, 1,755,472.32 and 865,008.08

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Solution

The fourth proportional to 1,272,003.32, 1,755,472.32 and 865,008.08 is: 1,193,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,003.32 : 1,755,472.32 = 865,008.08 : x
  2. Step 2: Convert to fraction form
    1,272,003.32/1,755,472.32 = 865,008.08/x
  3. Step 3: Cross multiply
    1,272,003.32x = 1,755,472.32 × 865,008.08
  4. Step 4: Simplify right side
    1,272,003.32x = 1,518,497,741,016.35
  5. Step 5: Solve for x
    x = 1,518,497,741,016.35/1,272,003.32
  6. Step 6: Final answer
    x = 1,193,784.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.